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SN74ABT245DB PDF预览

SN74ABT245DB

更新时间： 2024-11-24 13:00:35
品牌 Logo 应用领域
德州仪器 - TI 总线收发器输出元件
页数 文件大小 规格书
7页 109K
描述
ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20

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SN74ABT245DB 技术参数

生命周期：Obsolete包装说明：SSOP,
Reach Compliance Code：unknown风险等级：5.09
Is Samacsys：N其他特性：WITH DIRECTION CONTROL
系列：ABTJESD-30 代码：R-PDSO-G20
长度：7.2 mm负载电容（CL）：50 pF
逻辑集成电路类型：BUS TRANSCEIVER位数：8
功能数量：1端口数量：2
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C输出特性：3-STATE
输出极性：TRUE封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH最大电源电流（ICC）：30 mA
传播延迟（tpd）：4.6 ns认证状态：Not Qualified
座面最大高度：2 mm最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：4.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
宽度：5.3 mmBase Number Matches：1

SN74ABT245DB 数据手册

 浏览型号SN74ABT245DB的Datasheet PDF文件第2页浏览型号SN74ABT245DB的Datasheet PDF文件第3页浏览型号SN74ABT245DB的Datasheet PDF文件第4页浏览型号SN74ABT245DB的Datasheet PDF文件第5页浏览型号SN74ABT245DB的Datasheet PDF文件第6页浏览型号SN74ABT245DB的Datasheet PDF文件第7页 
SN54ABT245A, SN74ABT245B  
OCTAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCBS081H – JANUARY 1991 – REVISED MAY 1997  
SN54ABT245A . . . J OR W PACKAGE  
SN74ABT245B . . . DB, DGV, DW, N, OR PW PACKAGE  
(TOP VIEW)  
State-of-the-Art EPIC-ΙΙB BiCMOS Design  
Significantly Reduces Power Dissipation  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DIR  
A1  
V
CC  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
Latch-Up Performance Exceeds 500 mA Per  
JEDEC Standard JESD-17  
A2  
A3  
A4  
Typical V  
(Output Ground Bounce) < 1 V  
OLP  
A5  
at V  
= 5 V, T = 25°C  
CC  
A
A6  
High-Impedance State During Power Up  
and Power Down  
A7  
A8  
High-Drive Outputs (–32-mA I , 64-mA I  
OH  
)
OL  
GND  
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB), Thin Shrink Small-Outline (PW), and  
Thin Very Small-Outline (DGV) Packages,  
Ceramic Chip Carriers (FK), Ceramic Flat  
(W) Package, and Plastic (N) and  
Ceramic (J) DIPs  
SN54ABT245B . . . FK PACKAGE  
(TOP VIEW)  
3
2
1 20 19  
18  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
B1  
B2  
B3  
B4  
B5  
description  
17  
16  
15  
14  
These octal bus transceivers are designed for  
asynchronous communication between data  
buses. The devices transmit data from the A bus  
to the B bus or from the B bus to the A bus,  
depending on the logic level at the  
direction-control (DIR) input. The output-enable  
(OE) input can be used to disable the device so  
the buses are effectively isolated.  
9 10 11 12 13  
When V  
is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down.  
CC  
However, to ensure the high-impedance state above 2.1 V, OE should be tied to V  
the minimum value of the resistor is determined by the current-sinking capability of the driver.  
through a pullup resistor;  
CC  
The SN54ABT245A is characterized for operation over the full military temperature range of –55°C to 125°C.  
The SN74ABT245B is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
INPUTS  
OPERATION  
OE  
L
DIR  
L
B data to A bus  
A data to B bus  
Isolation  
L
H
H
X
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
EPIC-ΙΙB is a trademark of Texas Instruments Incorporated.  
Copyright 1997, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567

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